Yes — Strong Match
impatiens is grown as an annual, so season length decides it here, not a winter zone — and West Virginia's typical season runs ~204 frost-free days against the ~80 impatiens needs.
Sow by about Aug 11
Impatiens is grown as an annual, so what decides it here is season length, not a winter zone. It needs about 80 frost-free days and a typical West Virginia season runs ~204 frost-free days, leaving 124 days of slack. That is room to sow as late as about Aug 11 and still finish before the usual first freeze (Oct 30).
Want more weeks at either end of that window? How to buy the weeks →
80 frost-free days required against West Virginia’s ~204-day season. NOAA Regional Climate Centers ACIS 1991-2020 (28°F killing freeze), state median across counties, via stateClimateData.ts.
Impatiens in West Virginia — the short answer
Impatiens in West Virginia: hardy in zones 10–11, shade, against a state median of ~204 frost-free days.
- Plant zones
- 10-11
- NC State Extension Gardener Plant Toolbox
- West Virginia zones
- 5b-7a
- USDA PHZM 2023
- Frost window
- Apr 4 - Apr 15 – Oct 26 - Nov 5
- NOAA RCC ACIS 1991-2020, 28°F
- Shortest county season
- 170 days
- NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
- Days to maturity
- 80 days
- Growable Ground Plant Database
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.
Your yard isn't the whole zone.
West Virginia spans zones 5b-7a, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score impatiens against your parcel's actual hardiness, soil, and sun.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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West Virginia is not one climate
A single West Virginia answer averages 55 counties whose growing seasons are 62 days apart — from 170 frost-free days in Pocahontas County to 232 in Logan County. Which end of that your land sits nearer changes what impatiens can finish before the first hard freeze.
The middle half of 55 counties runs 194–214 days, with a median of 204 days — a 62-day span end to end.
Measured across 55 West Virginia counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.
Zone Comparison
Impatiens Needs
- USDA Zones: 10-11
- Frost-Free Days: 80+
- Sun: Shade
- Mature size: 1.5 ft tall
- Picking window: ~120 days of harvest
- Drought tolerance: Low
West Virginia Has
- USDA Zones: 5b-7a
- Last Hard Freeze (28°F): Apr 4 - Apr 15
- First Hard Freeze (28°F): Oct 26 - Nov 5
- Annual Rainfall: 38-56 inches
- Common Soils: Shale-derived, Sandy loam, Clay loam
Plant Zone Range (zones 10-11)
Preferred Soil pH
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Impatiens in West Virginia
The frost window
Across West Virginia, the last spring hard freeze (28°F) clears between Apr 4 and Apr 15, and the first fall hard freeze lands between Oct 26 and Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 194-day window you can count on — up to 215 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.
When to start the seed
Those dates are when impatiens goes out, not when it starts. It is sown under cover about 10 weeks ahead, so counting back from West Virginia's late-side last freeze of Apr 15 is what fixes your sowing date — and a yard that clears frost earlier than the state's late date starts earlier still.
Winter standing
West Virginia runs as cold as USDA zone 5, and no sourced winter-hardiness floor is on record for impatiens, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether impatiens is a permanent planting or a replant-every-spring crop for you turns on your own zone within West Virginia; check its hardiness range against that before treating it as long-lived ground.
Timing tuned to sub-state frost dates — Pocahontas County, not the statewide average.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.
Growing Season Fit
Frost-free days
Impatiens wants 80+ frost-free days; a typical West Virginia site sees ~204 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves comfortable headroom for succession planting.
Growing degree days
Impatiens needs ~1200 GDD (base 50°F) to ripen. The state median runs ~2941 GDD (from PRISM 1991-2020 climate normals), so West Virginia's typical season clears that easily.
GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.
Soil + Drainage Fit
Impatiens likes near-neutral soil (pH 5.5-6.5). That's the common-ground band across West Virginia's shale-derived and sandy loam — a soil test confirms it for your site. It will grow across that whole span, but it does best between pH 5.8 and 6.2 — worth knowing before you decide whether a West Virginia soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your West Virginia site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Your land, not the state average
West Virginia's soils run mostly silt loam, but SSURGO maps the series, texture, and drainage under your exact parcel. What matters for impatiens is the horizon its roots actually work, not the surface. That map unit, not the state average, decides how impatiens performs.
Check your parcel → Source: USDA NRCS SSURGO.
Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. West Virginia soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
What Else to Consider for Impatiens in West Virginia
Zone compatibility tells you about winter cold survival — but West Virginia growers also need to think about:
Steep terrain limits usable growing area
Thin acidic soils over shale bedrock
Short mountain valley growing seasons
Growing impatiens here specifically
Impatiens needs pH 5.5–6.5; West Virginia's dominant silt loam soils may or may not deliver that, so your parcel's SSURGO map unit is the real test.
Start with a soil test on your own ground and adjust pH and texture to fit impatiens's 5.5–6.5 range. How to handle it →
What to actually do about these — and the constraints that apply to every West Virginia grower, not just impatiens — is covered on the West Virginia growing guide.
Timing shifts within West Virginia
West Virginia isn't one climate. In Pocahontas County, the last hard freeze (28°F) holds until about Apr 30 — roughly 20 days later than the recorded state median — so plant impatiens to your county's window, not the statewide date.
Impatiens needs about 80 days of frost-free season to complete its cycle. Even Pocahontas County — West Virginia’s shortest season at 170 frost-free days — clears that by 90 days, so season length isn’t the constraint anywhere in West Virginia. What varies is your own parcel.
Across West Virginia’s 55 counties the frost-free season runs from 170 days in Pocahontas County to 232 days in Logan County — a spread of 62 days, which is why a single statewide planting date misleads. The median West Virginia county sees 204 frost-free days, leaving impatiens about 124 days of slack on a typical parcel — room for a second sowing where the season runs long.
County last-freeze dates and frost-free day counts: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). Impatiens's 80-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.
Pollinator + Wildlife Value
Impatiens draws honeybees, native bees, butterflies, and hummingbirds (moderate value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, impatiens can only work that bloom inside West Virginia's frost window — roughly 204 days, opening after the last 28°F freeze (Apr 4 - Apr 15) and closing at the first (Oct 26 - Nov 5), per NOAA Regional Climate Centers ACIS, 1991-2020.
Recommended Impatiens Varieties for West Virginia
West Virginia publishes no state variety trial for impatiens, so we won't invent a "best for West Virginia" list. Choose types rated to your USDA hardiness zone (5b-7a), and confirm winter survival and drainage against your own parcel.
West Virginia Cooperative Extension
For West Virginia-specific cultivar recommendations, planting calendars, and pest pressure for impatiens, the canonical source is WVU Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Impatiens native to West Virginia?
No — the USDA PLANTS Database lists Impatiens as introduced rather than native in the Lower 48, so it is not part of West Virginia's native flora. It grows here as a garden plant; pairing it with a few West Virginia natives keeps local pollinators fed too.
Looking for plants that belong here? The West Virginia growing guide lists USDA-documented natives for the state.
Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.
Common Questions About Growing Impatiens in West Virginia
When can I plant Impatiens in West Virginia?
West Virginia's last spring hard freeze (28°F) clears between Apr 4 and Apr 15, and the first fall hard freeze lands between Oct 26 and Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Impatiens, so this page does not state whether it overwinters in West Virginia and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.
What hardiness zone is Impatiens grown in across West Virginia?
West Virginia spans USDA hardiness zones 5b-7a (USDA ARS PHZM 2023). Impatiens carries a range of zones 10-11, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical West Virginia site have?
A typical West Virginia site sees ~204 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Impatiens needs 80+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Pocahontas, the freeze-free season runs shorter than the state average, so verify your own county's window.
Is Impatiens native to West Virginia?
No — the USDA PLANTS Database lists Impatiens as introduced rather than native in the Lower 48, so it is not part of West Virginia's native flora. It grows here as a garden plant; pairing it with a few West Virginia natives keeps local pollinators fed too.
How should I amend the soil for Impatiens in West Virginia?
Impatiens prefers pH 5.5-6.5 and well (dry spells) drainage (Growable Ground Plant Database). That sits in the common-ground band across West Virginia soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.
Will Impatiens actually grow on my specific land in West Virginia?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores impatiens against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in West Virginia
State-level data is a sketch. Your Growable Ground report scores impatiens against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that West Virginia impatiens averages can't show:
We read public map data around West Virginia — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the West Virginia impatiens average
Explore More
Growing guides for impatiens
Explore West Virginia county by county
West Virginia carries 55 counties with their own USDA zone — a sample of the growing pages for impatiens there:
Where else impatiens grows
Impatiens's zone band crosses state lines — these are the states closest to West Virginia in winter climate where it also has a page, plus the far ends of its range. Each one re-answers the question with that state's own record.
More to grow in West Virginia
West Virginia has a growing page for 889 plants — a rotating sample of the rest of the shelf.
Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →
Cite this dataset
Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643
Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643
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